Patents by Inventor David McMeekin

David McMeekin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mixed cation perovskite
    Patent number: 10535828
    Abstract: The present invention relates to a crystalline compound comprising: (i) Cs+ (caesium); (ii) (H2N—C(H)—NH2)+ (formamidinium); (iii) one or more metal or metalloid dications [B]; and (iv) two or more different halide anions [X]. The invention also relates to a semiconductor device comprising a semiconducting material, which semiconducting material comprises the crystalline compound. The invention also relates to a process for producing a layer of the crystalline compound.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: January 14, 2020
    Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
    Inventors: Michael Saliba, David McMeekin, Henry James Snaith, Bernard Wenger
  • MIXED CATION PEROVSKITE
    Publication number: 20180351123
    Abstract: The present invention relates to a crystalline compound comprising: (i) Cs+ (caesium); (ii) (H2N—C(H)?NH2)+ (formamidinium); (iii) one or more metal or metalloid dications [B]; and (iv) two or more different halide anions [X]. The invention also relates to a semiconductor device comprising a semiconducting material, which semiconducting material comprises the crystalline compound. The invention also relates to a process for producing a layer of the crystalline compound.
    Type: Application
    Filed: November 25, 2016
    Publication date: December 6, 2018
    Inventors: Michael Saliba, David McMeekin, Henry James Snaith, Bernard Wenger